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8,9-dihydro-3,11-diisopropoxy-2,12-dimethoxy-6H-[1]benzopyrano[4',3':4,5]pyrrolo[2,1-a]isoquinolin-6-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

660397-47-7

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660397-47-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 660397-47-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,0,3,9 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 660397-47:
(8*6)+(7*6)+(6*0)+(5*3)+(4*9)+(3*7)+(2*4)+(1*7)=177
177 % 10 = 7
So 660397-47-7 is a valid CAS Registry Number.

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